Positioning device for a cylindrical lock

Details Positioning device for a cylindrical lock Positioning device for a cylindrical lock

1997-12-29

1999-11-16

Boucher, Darnell M.

Locks

Special application

For closures

29216922, 2923365, 292358, 292DIG64, E05B 5504

Patent

active

059836873

ABSTRACT:
A positioning device for a cylindrical lock includes two first upper protrusions and two first lower protrusions respectively extending from an inside hub of the lock, two second upper protrusions and two second lower protrusions respectively extending from an outside hub. A chassis receiving a retractor therein has two first plates extending from a top surface thereof and two second plates extending from a bottom surface thereof. The two first plates of the chassis are received between the two first upper protrusions and two second upper protrusions, and the two second plates are received between the two first lower protrusions and two second lower protrusions such that the chassis is stationed between the inside and outside hub so as to let a pair of screws extend through these easily.

REFERENCES:
patent: 1751101 (1930-03-01), Schlape
patent: 1829815 (1931-12-01), Schlage
patent: 3093400 (1963-06-01), Williams
patent: 3126217 (1964-03-01), Russell et al.
patent: 3128112 (1964-04-01), Fryer
patent: 3136572 (1964-06-01), Lytle
patent: 3269158 (1966-08-01), Andre
patent: 4428212 (1984-01-01), Best et al.
patent: 4594864 (1986-06-01), Hart
patent: 5651280 (1997-07-01), Park

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